Frequently Asked Question

A. Program not retained after a power down situation.

1. When power is restored, 600 Control must be reprogrammed every time.

1. Defective nonvolatile memory, replace the 600 control.

B. Program is randomly lost.

1. Erratic power line, which causes the 600 Control to crash and change the programming.

1. Replacing the 600 Control (probably won't correct the problem).

1. Correct the power line problem.